Silica supported lanthanum triflate mediated synthesis of 5-substituted-1H tetrazoles |
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| Authors: | Gangadhar A Meshram Shruti S DeshpandePramod A Wagh Vipul A Vala |
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| Institution: | Department of Chemistry, University of Mumbai, Vidyanagari, Kalina, Santacruz (E), Mumbai 400 098, India |
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| Abstract: | Silica supported lanthanum triflate (Ln(OTf)3-SiO2) promoted synthesis of 5-substituted 1H-tetrazoles via 3+2] cycloaddition between aromatic/heteroaromatic nitriles and sodium azide is a high product yielding, facile, and straightforward procedure. Non toxicity, recovery, and reusability for three continuous cycles are the noteworthy features of the currently employed heterogeneous catalyst. |
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| Keywords: | 5-Substituted 1H-tetrazoles Ln(OTf)3-SiO2 [3+2] cycloaddition Nitriles Sodium azide |
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